Hi Harsha, We would like to continue the work on this, could you please suggest the correct approach. Best regards, Lukasz czw., 21 maj 2020 o 20:10 Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> napisał(a): > > > > On 5/21/20 12:30 PM, Łukasz Majczak wrote: > > Hi Pierre > > > > If you will take a look at the original kabylake_ssp_fixup() you will > > see that it is checking whether the related FE is "Kbl Audio Port", > > "Kbl Audio Headset Playback", "Kbl Audio Capture Port" or "Kbl Audio > > DMIC cap" - then for the first 3 cases it sets min/max channels to 2 > > while for the "Kbl DMIC cap" it can be 2 or 4, that's is why I'm > > trying to split this, but maybe I'm missing here something. > > I don't understand this code either. > > I believe the intent is that for all SSP1-RT5663 usages, we should use > > rate->min = rate->max = 48000; > chan->min = chan->max = 2; > snd_mask_none(fmt); > snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); > > That is pretty easy to move to a dedicated ssp1 fixup. > > for SSP0, we have RT5514 for capture and max98927 for playback, but the > existing code does not explicitly deal with rate/channels/format for all > cases, so it's not clear what should happen. > > Harsha, can you help here? > > > > > Best regards, > > Lukasz > > > > czw., 21 maj 2020 o 19:17 Pierre-Louis Bossart > > <pierre-louis.bossart@xxxxxxxxxxxxxxx> napisał(a): > >> > >> > >> > >> On 5/21/20 12:08 PM, Łukasz Majczak wrote: > >>>> > >>>> don't add a new dailink, this is not right. > >>>> > >>> Can you advise a better solution how to assign different fixup > >>> functions to mic and to speakers? I was looking at "dmic01" dailink in > >>> skl_nau88l25_max98357a.c as an example. > >> > >> I am not sure I follow. the DMICs are handled on a shared SSP, so how > >> would one set a different fixup? The word length have to be the same.